% 13 May 2024 15:43:21
\documentclass[varwidth]{standalone}
\usepackage{booktabs}
\begin{document}

{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{2}{c}}
\toprule
            &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}\\
            &\multicolumn{1}{c}{} &\multicolumn{1}{c}{} \\
\midrule
Effect\_1    &       0.527\sym{***}&       0.517\sym{***}\\
            &    (0.0491)         &    (0.0436)         \\
\addlinespace
Effect\_2    &       0.330\sym{***}&       0.300\sym{***}\\
            &    (0.0670)         &    (0.0610)         \\
\addlinespace
Effect\_3    &       0.299\sym{**} &       0.314\sym{***}\\
            &    (0.0995)         &    (0.0830)         \\
\addlinespace
Effect\_4    &       0.150         &       0.272\sym{*}  \\
            &     (0.135)         &     (0.131)         \\
\addlinespace
Effect\_5    &     -0.0155         &      0.0508         \\
            &     (0.205)         &     (0.187)         \\
\addlinespace
Avg\_Tot\_Effect&       0.436\sym{**} &       0.489\sym{***}\\
            &     (0.144)         &     (0.131)         \\
\addlinespace
Placebo\_1   &                     &      0.0703         \\
            &                     &    (0.0640)         \\
\addlinespace
Placebo\_2   &                     &       0.122         \\
            &                     &     (0.124)         \\
\addlinespace
Placebo\_3   &                     &     -0.0340         \\
            &                     &     (0.256)         \\
\midrule
p\_joint     &     0.00175         &    0.000370         \\
p\_placebo   &                     &       0.488         \\
controls    &          No         &         Yes         \\
\bottomrule
\multicolumn{3}{l}{\footnotesize Standard errors in parentheses}\\
\multicolumn{3}{l}{\footnotesize \sym{*} \(p<0.05\), \sym{**} \(p<0.01\), \sym{***} \(p<0.001\)}\\
\end{tabular}
}

\end{document}

